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1242030329 is a prime number
BaseRepresentation
bin100101000000111…
…1110000011111001
310012120002200022022
41022001332003321
510020424432304
6323125004225
742531040451
oct11201760371
93176080268
101242030329
11588103851
122a7b53675
1316a41c1b7
14bad50d61
157408debe
hex4a07e0f9

1242030329 has 2 divisors, whose sum is σ = 1242030330. Its totient is φ = 1242030328.

The previous prime is 1242030313. The next prime is 1242030331. The reversal of 1242030329 is 9230302421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950303929 + 291726400 = 30827^2 + 17080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242030329 - 24 = 1242030313 is a prime.

Together with 1242030331, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242030298 and 1242030307.

It is not a weakly prime, because it can be changed into another prime (1242030529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621015164 + 621015165.

It is an arithmetic number, because the mean of its divisors is an integer number (621015165).

Almost surely, 21242030329 is an apocalyptic number.

It is an amenable number.

1242030329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242030329 is an equidigital number, since it uses as much as digits as its factorization.

1242030329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1242030329 is about 35242.4506667740. The cubic root of 1242030329 is about 1074.9231108518.

The spelling of 1242030329 in words is "one billion, two hundred forty-two million, thirty thousand, three hundred twenty-nine".